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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 19 |
| 1974 | 31 |
| 1975 | 26 |
| 1976 | 37 |
| 1977 | 24 |
| 1978 | 41 |
| 1979 | 4 |
| 1980 | 15 |
| 1981 | 35 |
| 1982 | 48 |
| 1983 | 49 |
| 1984 | 52 |
| 1985 | 50 |
| 1986 | 44 |
| 1987 | 50 |
| 1988 | 67 |
| 1989 | 57 |
| 1990 | 64 |
| 1991 | 69 |
| 1992 | 70 |
| 1993 | 64 |
| 1994 | 61 |
| 1995 | 71 |
| 1996 | 66 |
| 1997 | 68 |
| 1998 | 69 |
| 1999 | 62 |
| 2000 | 103 |
| 2001 | 82 |
| 2002 | 87 |
| 2003 | 97 |
| 2004 | 103 |
| 2005 | 87 |
| 2006 | 102 |
| 2007 | 105 |
| 2008 | 121 |
| 2009 | 115 |
| 2010 | 111 |
| 2011 | 125 |
| 2012 | 129 |
| 2013 | 138 |
| 2014 | 85 |
| 2015 | 150 |
| 2016 | 139 |
| 2017 | 57 |
| 2024 | 0 |